21173680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24061}}^1$

素因数の和:24085

約数の個数: 40

約数和(自身を含む): 53706384

約数和(自身を除く): 32532704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24061, 48122, 96244, 120305, 192488, 240610, 264671, 384976, 481220, 529342, 962440, 1058684, 1323355, 1924880, 2117368, 2646710, 4234736, 5293420, 10586840, 21173680]

約数ペア:

[(1, 21173680), (2, 10586840), (4, 5293420), (5, 4234736), (8, 2646710), (10, 2117368), (11, 1924880), (16, 1323355), (20, 1058684), (22, 962440), (40, 529342), (44, 481220), (55, 384976), (80, 264671), (88, 240610), (110, 192488), (176, 120305), (220, 96244), (440, 48122), (880, 24061)]